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Commit 246a87cd authored by LEROY Christophe's avatar LEROY Christophe Committed by Herbert Xu
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crypto: talitos - move mapping helpers before IPSEC functions 

In order to be able to use the mapping/unmapping helpers for IPSEC
it needs to be move upper in the file
Signed-off-by: default avatarChristophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent b096b544
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Showing with 122 additions and 122 deletions
drivers/crypto/talitos.c
View file @ 246a87cd
......@@ -926,6 +926,33 @@ static void talitos_sg_unmap(struct device *dev,
dma_unmap_sg(dev, src, src_nents, DMA_BIDIRECTIONAL);
}
static void unmap_sg_talitos_ptr(struct device *dev, struct scatterlist *src,
struct scatterlist *dst, unsigned int len,
struct talitos_edesc *edesc)
{
struct talitos_private *priv = dev_get_drvdata(dev);
bool is_sec1 = has_ftr_sec1(priv);
if (is_sec1) {
if (!edesc->src_nents) {
dma_unmap_sg(dev, src, 1,
dst != src ? DMA_TO_DEVICE
: DMA_BIDIRECTIONAL);
}
if (dst && edesc->dst_nents) {
dma_sync_single_for_device(dev,
edesc->dma_link_tbl + len,
len, DMA_FROM_DEVICE);
sg_copy_from_buffer(dst, edesc->dst_nents ? : 1,
edesc->buf + len, len);
} else if (dst && dst != src) {
dma_unmap_sg(dev, dst, 1, DMA_FROM_DEVICE);
}
} else {
talitos_sg_unmap(dev, edesc, src, dst);
}
}
static void ipsec_esp_unmap(struct device *dev,
struct talitos_edesc *edesc,
struct aead_request *areq)
......@@ -1083,6 +1110,101 @@ static inline int sg_to_link_tbl(struct scatterlist *sg, int sg_count,
link_tbl_ptr);
}
int map_sg_in_talitos_ptr(struct device *dev, struct scatterlist *src,
unsigned int len, struct talitos_edesc *edesc,
enum dma_data_direction dir, struct talitos_ptr *ptr)
{
int sg_count;
struct talitos_private *priv = dev_get_drvdata(dev);
bool is_sec1 = has_ftr_sec1(priv);
to_talitos_ptr_len(ptr, len, is_sec1);
if (is_sec1) {
sg_count = edesc->src_nents ? : 1;
if (sg_count == 1) {
dma_map_sg(dev, src, 1, dir);
to_talitos_ptr(ptr, sg_dma_address(src), is_sec1);
} else {
sg_copy_to_buffer(src, sg_count, edesc->buf, len);
to_talitos_ptr(ptr, edesc->dma_link_tbl, is_sec1);
dma_sync_single_for_device(dev, edesc->dma_link_tbl,
len, DMA_TO_DEVICE);
}
} else {
to_talitos_ptr_ext_set(ptr, 0, is_sec1);
sg_count = dma_map_sg(dev, src, edesc->src_nents ? : 1, dir);
if (sg_count == 1) {
to_talitos_ptr(ptr, sg_dma_address(src), is_sec1);
} else {
sg_count = sg_to_link_tbl(src, sg_count, len,
&edesc->link_tbl[0]);
if (sg_count > 1) {
to_talitos_ptr(ptr, edesc->dma_link_tbl, 0);
to_talitos_ptr_ext_or(ptr, DESC_PTR_LNKTBL_JUMP,
0);
dma_sync_single_for_device(dev,
edesc->dma_link_tbl,
edesc->dma_len,
DMA_BIDIRECTIONAL);
} else {
/* Only one segment now, so no link tbl needed*/
to_talitos_ptr(ptr, sg_dma_address(src),
is_sec1);
}
}
}
return sg_count;
}
void map_sg_out_talitos_ptr(struct device *dev, struct scatterlist *dst,
unsigned int len, struct talitos_edesc *edesc,
enum dma_data_direction dir,
struct talitos_ptr *ptr, int sg_count)
{
struct talitos_private *priv = dev_get_drvdata(dev);
bool is_sec1 = has_ftr_sec1(priv);
if (dir != DMA_NONE)
sg_count = dma_map_sg(dev, dst, edesc->dst_nents ? : 1, dir);
to_talitos_ptr_len(ptr, len, is_sec1);
if (is_sec1) {
if (sg_count == 1) {
if (dir != DMA_NONE)
dma_map_sg(dev, dst, 1, dir);
to_talitos_ptr(ptr, sg_dma_address(dst), is_sec1);
} else {
to_talitos_ptr(ptr, edesc->dma_link_tbl + len, is_sec1);
dma_sync_single_for_device(dev,
edesc->dma_link_tbl + len,
len, DMA_FROM_DEVICE);
}
} else {
to_talitos_ptr_ext_set(ptr, 0, is_sec1);
if (sg_count == 1) {
to_talitos_ptr(ptr, sg_dma_address(dst), is_sec1);
} else {
struct talitos_ptr *link_tbl_ptr =
&edesc->link_tbl[edesc->src_nents + 1];
to_talitos_ptr(ptr, edesc->dma_link_tbl +
(edesc->src_nents + 1) *
sizeof(struct talitos_ptr), 0);
to_talitos_ptr_ext_or(ptr, DESC_PTR_LNKTBL_JUMP, 0);
sg_to_link_tbl(dst, sg_count, len, link_tbl_ptr);
dma_sync_single_for_device(dev, edesc->dma_link_tbl,
edesc->dma_len,
DMA_BIDIRECTIONAL);
}
}
}
/*
* fill in and submit ipsec_esp descriptor
*/
......@@ -1420,33 +1542,6 @@ static int ablkcipher_setkey(struct crypto_ablkcipher *cipher,
return 0;
}
static void unmap_sg_talitos_ptr(struct device *dev, struct scatterlist *src,
struct scatterlist *dst, unsigned int len,
struct talitos_edesc *edesc)
{
struct talitos_private *priv = dev_get_drvdata(dev);
bool is_sec1 = has_ftr_sec1(priv);
if (is_sec1) {
if (!edesc->src_nents) {
dma_unmap_sg(dev, src, 1,
dst != src ? DMA_TO_DEVICE
: DMA_BIDIRECTIONAL);
}
if (dst && edesc->dst_nents) {
dma_sync_single_for_device(dev,
edesc->dma_link_tbl + len,
len, DMA_FROM_DEVICE);
sg_copy_from_buffer(dst, edesc->dst_nents ? : 1,
edesc->buf + len, len);
} else if (dst && dst != src) {
dma_unmap_sg(dev, dst, 1, DMA_FROM_DEVICE);
}
} else {
talitos_sg_unmap(dev, edesc, src, dst);
}
}
static void common_nonsnoop_unmap(struct device *dev,
struct talitos_edesc *edesc,
struct ablkcipher_request *areq)
......@@ -1478,101 +1573,6 @@ static void ablkcipher_done(struct device *dev,
areq->base.complete(&areq->base, err);
}
int map_sg_in_talitos_ptr(struct device *dev, struct scatterlist *src,
unsigned int len, struct talitos_edesc *edesc,
enum dma_data_direction dir, struct talitos_ptr *ptr)
{
int sg_count;
struct talitos_private *priv = dev_get_drvdata(dev);
bool is_sec1 = has_ftr_sec1(priv);
to_talitos_ptr_len(ptr, len, is_sec1);
if (is_sec1) {
sg_count = edesc->src_nents ? : 1;
if (sg_count == 1) {
dma_map_sg(dev, src, 1, dir);
to_talitos_ptr(ptr, sg_dma_address(src), is_sec1);
} else {
sg_copy_to_buffer(src, sg_count, edesc->buf, len);
to_talitos_ptr(ptr, edesc->dma_link_tbl, is_sec1);
dma_sync_single_for_device(dev, edesc->dma_link_tbl,
len, DMA_TO_DEVICE);
}
} else {
to_talitos_ptr_ext_set(ptr, 0, is_sec1);
sg_count = dma_map_sg(dev, src, edesc->src_nents ? : 1, dir);
if (sg_count == 1) {
to_talitos_ptr(ptr, sg_dma_address(src), is_sec1);
} else {
sg_count = sg_to_link_tbl(src, sg_count, len,
&edesc->link_tbl[0]);
if (sg_count > 1) {
to_talitos_ptr(ptr, edesc->dma_link_tbl, 0);
to_talitos_ptr_ext_or(ptr, DESC_PTR_LNKTBL_JUMP,
0);
dma_sync_single_for_device(dev,
edesc->dma_link_tbl,
edesc->dma_len,
DMA_BIDIRECTIONAL);
} else {
/* Only one segment now, so no link tbl needed*/
to_talitos_ptr(ptr, sg_dma_address(src),
is_sec1);
}
}
}
return sg_count;
}
void map_sg_out_talitos_ptr(struct device *dev, struct scatterlist *dst,
unsigned int len, struct talitos_edesc *edesc,
enum dma_data_direction dir,
struct talitos_ptr *ptr, int sg_count)
{
struct talitos_private *priv = dev_get_drvdata(dev);
bool is_sec1 = has_ftr_sec1(priv);
if (dir != DMA_NONE)
sg_count = dma_map_sg(dev, dst, edesc->dst_nents ? : 1, dir);
to_talitos_ptr_len(ptr, len, is_sec1);
if (is_sec1) {
if (sg_count == 1) {
if (dir != DMA_NONE)
dma_map_sg(dev, dst, 1, dir);
to_talitos_ptr(ptr, sg_dma_address(dst), is_sec1);
} else {
to_talitos_ptr(ptr, edesc->dma_link_tbl + len, is_sec1);
dma_sync_single_for_device(dev,
edesc->dma_link_tbl + len,
len, DMA_FROM_DEVICE);
}
} else {
to_talitos_ptr_ext_set(ptr, 0, is_sec1);
if (sg_count == 1) {
to_talitos_ptr(ptr, sg_dma_address(dst), is_sec1);
} else {
struct talitos_ptr *link_tbl_ptr =
&edesc->link_tbl[edesc->src_nents + 1];
to_talitos_ptr(ptr, edesc->dma_link_tbl +
(edesc->src_nents + 1) *
sizeof(struct talitos_ptr), 0);
to_talitos_ptr_ext_or(ptr, DESC_PTR_LNKTBL_JUMP, 0);
sg_to_link_tbl(dst, sg_count, len, link_tbl_ptr);
dma_sync_single_for_device(dev, edesc->dma_link_tbl,
edesc->dma_len,
DMA_BIDIRECTIONAL);
}
}
}
static int common_nonsnoop(struct talitos_edesc *edesc,
struct ablkcipher_request *areq,
void (*callback) (struct device *dev,
......
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